{
  "name": "Monitor ceny produktu z alertem",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours",
              "hoursInterval": 4
            }
          ]
        }
      },
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [240, 300],
      "id": "trigger-harmonogram",
      "name": "Harmonogram"
    },
    {
      "parameters": {
        "method": "GET",
        "url": "ADRES_PRODUKTU",
        "sendHeaders": true,
        "specifyHeaders": "keypair",
        "headerParameters": {
          "parameters": [
            {
              "name": "User-Agent",
              "value": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0 Safari/537.36"
            }
          ]
        }
      },
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [460, 300],
      "id": "http-pobierz-produkt",
      "name": "Pobierz stronę produktu"
    },
    {
      "parameters": {
        "operation": "extractHtmlContent",
        "sourceData": "json",
        "dataPropertyName": "data",
        "extractionValues": {
          "values": [
            {
              "key": "cena_tekst",
              "cssSelector": "SELEKTOR_CSS_CENY",
              "returnValue": "text"
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.html",
      "typeVersion": 1.2,
      "position": [680, 300],
      "id": "html-wyciagnij-cene",
      "name": "Wyciągnij cenę"
    },
    {
      "parameters": {
        "mode": "manual",
        "assignments": {
          "assignments": [
            {
              "id": "cena-oczyszczona",
              "name": "cena",
              "type": "number",
              "value": "={{ Number($json.cena_tekst.replace('zł', '').replace(/\\s/g, '').replace(',', '.').trim()) }}"
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [900, 300],
      "id": "set-oczysc-cene",
      "name": "Oczyść cenę"
    },
    {
      "parameters": {
        "conditions": {
          "options": {
            "caseSensitive": true,
            "leftValue": "",
            "typeValidation": "strict",
            "version": 2
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "warunek-cena-prog",
              "leftValue": "={{ $json.cena }}",
              "rightValue": "TWOJ_PROG",
              "operator": {
                "type": "number",
                "operation": "lt"
              }
            }
          ]
        },
        "options": {}
      },
      "type": "n8n-nodes-base.if",
      "typeVersion": 2.2,
      "position": [1120, 300],
      "id": "if-cena-prog",
      "name": "Cena poniżej progu?"
    },
    {
      "parameters": {
        "resource": "message",
        "operation": "sendMessage",
        "chatId": "TWOJ_CHAT_ID",
        "text": "=Cena spadła poniżej progu!\n\nAktualna cena: {{ $json.cena }} zł\nProdukt: ADRES_PRODUKTU"
      },
      "type": "n8n-nodes-base.telegram",
      "typeVersion": 1.2,
      "position": [1340, 200],
      "id": "telegram-alert",
      "name": "Wyślij alert Telegram"
    }
  ],
  "connections": {
    "Harmonogram": {
      "main": [
        [
          {
            "node": "Pobierz stronę produktu",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Pobierz stronę produktu": {
      "main": [
        [
          {
            "node": "Wyciągnij cenę",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Wyciągnij cenę": {
      "main": [
        [
          {
            "node": "Oczyść cenę",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Oczyść cenę": {
      "main": [
        [
          {
            "node": "Cena poniżej progu?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Cena poniżej progu?": {
      "main": [
        [
          {
            "node": "Wyślij alert Telegram",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  }
}